<table border="1" align="center" width="100%">
  <tr><td bgcolor="yellow">Heading 1 </td></tr>
  <tr><td bgcolor="green">Heading 2 </td></tr>
  <tr><td bgcolor="yellow">Heading 3 </td></tr>
  <tr><td bgcolor="green">Heading 4 </td></tr>
  <tr><td bgcolor="yellow">Heading 5 </td></tr>
  <tr><td bgcolor="green">Heading 6 </td></tr>
  <tr><td bgcolor="yellow">Heading 7 </td></tr>
  <tr><td bgcolor="green">Heading 8 </td></tr>
  <tr><td bgcolor="yellow">Heading 9 </td></tr>
</table>